// util.js

var AppalachianUtilities = {};

AppalachianUtilities.isLeftClick = function(event) {
    return event.button == 0 && AppalachianUtilities.noKeyModifiers(event);
};

AppalachianUtilities.noKeyModifiers = function(event) {
    return !event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey;
};
